There is an actual discussion by a support member here that details this. You should search the stuff and find the things.
Comment has been collapsed.
I am feeling nice, I did the searching for you, as it is a difficult quest to do - http://www.steamgifts.com/discussion/0Rsiq/if-theres-a-free-weekend-you-sync-your-account-and-then-cant-enter-a-giveaway
Comment has been collapsed.
228 Comments - Last post 15 minutes ago by duville
775 Comments - Last post 1 hour ago by Axelflox
10 Comments - Last post 1 hour ago by reigifts
16 Comments - Last post 3 hours ago by MashedApples
2 Comments - Last post 3 hours ago by Chris76de
1,937 Comments - Last post 3 hours ago by MeguminShiro
16 Comments - Last post 4 hours ago by pb1
748 Comments - Last post 4 minutes ago by Zynthet
44 Comments - Last post 6 minutes ago by squall831
169 Comments - Last post 9 minutes ago by LinustheBold
37 Comments - Last post 9 minutes ago by Carrei
14 Comments - Last post 10 minutes ago by Axelflox
46 Comments - Last post 54 minutes ago by PunishedStig
234 Comments - Last post 1 hour ago by yugimax
Comment has been collapsed.